<template>
  <div id="addQuestionView">
    <h2>创建题目</h2>
    <a-form :model="form" label-align="left">
      <a-form-item field="title" label="标题">
        <a-input v-model="form.title" placeholder="请输入标题" />
      </a-form-item>
      <a-form-item field="tags" label="标签">
        <a-input-tag v-model="form.tags" placeholder="请选择标签" allow-clear />
      </a-form-item>
      <a-form-item field="content" label="题目内容">
        <MdEditor :value="form.content" :handle-change="onContentChange" />
      </a-form-item>
      <a-form-item field="inputFormat" label="输入格式">
        <MdEditor
          :value="form.inputFormat"
          :handle-change="onInputFormatChange"
        />
      </a-form-item>
      <a-form-item field="outputFormat" label="输出格式">
        <MdEditor
          :value="form.outputFormat"
          :handle-change="onOutputFormatChange"
        />
      </a-form-item>
      <a-form-item field="inputSample" label="输入样例">
        <MdEditor
          :value="form.inputSample"
          :handle-change="onInputSampleChange"
        />
      </a-form-item>
      <a-form-item field="outputSample" label="输出样例">
        <MdEditor
          :value="form.outputSample"
          :handle-change="onOutputSampleChange"
        />
      </a-form-item>
      <!--      <a-form-item field="answer" label="答案">-->
      <!--        <MdEditor :value="form.answer" :handle-change="onAnswerChange" />-->
      <!--      </a-form-item>-->
      <a-form-item label="判题配置" :content-flex="false" :merge-props="false">
        <a-space direction="vertical" style="min-width: 480px">
          <a-form-item field="judgeConfig.timeLimit" label="时间限制">
            <a-input-number
              v-model="form.judgeConfig.timeLimit"
              placeholder="请输入时间限制"
              mode="button"
              min="0"
              size="large"
            />
          </a-form-item>
          <a-form-item field="judgeConfig.memoryLimit" label="内存限制">
            <a-input-number
              v-model="form.judgeConfig.memoryLimit"
              placeholder="请输入内存限制"
              mode="button"
              min="0"
              size="large"
            />
          </a-form-item>
          <a-form-item field="judgeConfig.stackLimit" label="堆栈限制">
            <a-input-number
              v-model="form.judgeConfig.stackLimit"
              placeholder="请输入堆栈限制"
              mode="button"
              min="0"
              size="large"
            />
          </a-form-item>
        </a-space>
      </a-form-item>
      <a-form-item
        label="测试用例配置"
        :content-flex="false"
        :merge-props="false"
      >
        <a-form-item
          v-for="(judgeCaseItem, index) of form.judgeCase"
          :key="index"
          no-style
        >
          <a-space direction="vertical" style="min-width: 640px">
            <!--            <a-form-item-->
            <!--              :field="`form.judgeCase[${index}].input`"-->
            <!--              :label="`输入用例-${index}`"-->
            <!--              :key="index"-->
            <!--            >-->
            <!--              <MdEditor-->
            <!--                v-model="judgeCaseItem.input"-->
            <!--                :value="judgeCaseItem.input"-->
            <!--                :handle-change="onInputCaseChange"-->
            <!--              />-->
            <!--            </a-form-item>-->
            <a-form-item
              :field="`form.judgeCase[${index}].input`"
              :label="`输入用例-${index}`"
              :key="index"
            >
              <a-input
                v-model="judgeCaseItem.input"
                placeholder="请输入测试输入用例"
              />
            </a-form-item>
            <!--            <a-form-item-->
            <!--              :field="`form.judgeCase[${index}].output`"-->
            <!--              :label="`输出用例-${index}`"-->
            <!--              :key="index"-->
            <!--            >-->
            <!--              <MdEditor-->
            <!--                v-model="judgeCaseItem.output"-->
            <!--                :value="judgeCaseItem.output"-->
            <!--                :handle-change="onOutputCaseChange"-->
            <!--              />-->
            <!--            </a-form-item>-->
            <a-form-item
              :field="`form.judgeCase[${index}].output`"
              :label="`输出用例-${index}`"
              :key="index"
            >
              <a-input
                v-model="judgeCaseItem.output"
                placeholder="请输入测试输出用例"
              />
            </a-form-item>
            <a-button status="danger" @click="handleDelete(index)">
              删除
            </a-button>
          </a-space>
        </a-form-item>
        <div style="margin-top: 32px">
          <a-button @click="handleAdd" type="outline" status="success"
            >新增测试用例
          </a-button>
        </div>
      </a-form-item>
      <div style="margin-top: 16px" />
      <a-form-item>
        <a-button type="primary" style="min-width: 200px" @click="doSubmit"
          >提交
        </a-button>
      </a-form-item>
    </a-form>
  </div>
</template>

<script setup lang="ts">
import { onMounted, ref } from "vue";
import MdEditor from "@/components/MdEditor.vue";
import { QuestionControllerService } from "../../../generated";
import message from "@arco-design/web-vue/es/message";
import { useRoute, useRouter } from "vue-router";

const route = useRoute();
const router = useRouter();

// 如果页面地址包含 update，视为更新页面
const updatePage = route.path.includes("update");

let form = ref({
  title: "",
  tags: [],
  answer: "",
  content: "",
  inputFormat: "",
  outputFormat: "",
  inputSample: "",
  outputSample: "",
  judgeConfig: {
    memoryLimit: 1000,
    stackLimit: 1000,
    timeLimit: 1000,
  },
  judgeCase: [
    {
      input: "",
      output: "",
    },
  ],
});

/**
 * 根据题目 id 获取老的数据
 */
const loadData = async () => {
  const id = route.query.id;
  if (!id) {
    return;
  }
  const res = await QuestionControllerService.getQuestionByIdUsingGet(
    id as any
  );
  if (res.code === 0) {
    form.value = res.data as any;
    // json 转 js 对象
    if (!form.value.judgeCase) {
      form.value.judgeCase = [
        {
          input: "",
          output: "",
        },
      ];
    } else {
      form.value.judgeCase = JSON.parse(form.value.judgeCase as any);
    }
    if (!form.value.judgeConfig) {
      form.value.judgeConfig = {
        memoryLimit: 1000,
        stackLimit: 1000,
        timeLimit: 1000,
      };
    } else {
      form.value.judgeConfig = JSON.parse(form.value.judgeConfig as any);
    }
    if (!form.value.tags) {
      form.value.tags = [];
    } else {
      form.value.tags = JSON.parse(form.value.tags as any);
    }
  } else {
    message.error("加载失败，" + res.message);
  }
};

onMounted(() => {
  loadData();
});

const doSubmit = async () => {
  console.log(form.value);
  // 区分更新还是创建
  if (updatePage) {
    const res = await QuestionControllerService.updateQuestionUsingPost(
      form.value
    );
    if (res.code === 0) {
      message.success("更新成功");
    } else {
      message.error("更新失败，" + res.message);
    }
  } else {
    if (form.value.inputSample == null) {
      form.value.inputSample = "(空)";
    }
    if (form.value.outputSample == null) {
      form.value.outputSample = "(空)";
    }
    const res = await QuestionControllerService.addQuestionUsingPost(
      form.value
    );
    if (res.code === 0) {
      message.success("创建成功");
      // 跳转到首页
      router.push({
        path: "/",
      });
    } else {
      message.error("创建失败，" + res.message);
    }
  }
};

/**
 * 新增判题用例
 */
const handleAdd = () => {
  form.value.judgeCase.push({
    input: "",
    output: "",
  });
};

/**
 * 删除判题用例
 */
const handleDelete = (index: number) => {
  form.value.judgeCase.splice(index, 1);
};

const onContentChange = (value: string) => {
  form.value.content = value;
};

const onAnswerChange = (value: string) => {
  form.value.answer = value;
};

const onInputFormatChange = (value: string) => {
  form.value.inputFormat = value;
};

const onOutputFormatChange = (value: string) => {
  form.value.outputFormat = value;
};

const onInputSampleChange = (value: string) => {
  form.value.inputSample = value;
};

const onOutputSampleChange = (value: string) => {
  form.value.outputSample = value;
};

let judgeCaseItem = ref({
  input: "",
  output: "",
});
const onInputCaseChange = (value: string) => {
  judgeCaseItem.value.input = value;
};

const onOutputCaseChange = (value: string) => {
  judgeCaseItem.value.output = value;
};
</script>

<style scoped>
#addQuestionView {
  padding: 20px;
}

.upload-area {
  margin-bottom: 24px;
}

.file-requirements {
  margin-top: 16px;
  color: #86909c;
}

.file-requirements ul {
  padding-left: 20px;
  margin: 8px 0;
}
</style>
